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1 I... my ideas in pencil.
2 We... a variety of possible solutions.
3 The... should list all the requirements.
4 Test the... as much as you can.
5 The... will make the product.
6 It can be difficult to calculate the... .
7 This simple design will be easy to... .
8 What’s the ...of this object?
1. prototype
2.mass-produce
3.evaluate
4.manufacturer
5.function
6.brief
7.costings
8.sketch